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A184126
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Number of nX6 0..3 arrays with rows and columns in nondecreasing order
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1
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84, 43947, 53817407, 68564445616, 71759424776253, 60704077222861152, 42630936592613426327, 25543138074385245659345, 13344262317615708218916589, 6180837269782270549411789459, 2571641374571848612017288269301
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for 3X6
..0..0..0..0..1..1....0..0..0..0..2..2....0..0..0..0..3..3....0..0..0..0..1..3
..0..0..0..1..0..0....0..0..0..1..0..2....0..0..0..2..0..0....0..0..0..2..0..1
..0..0..2..3..0..2....0..0..1..1..0..3....0..0..2..3..0..1....0..0..2..3..0..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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